body{
    font-size: 16px;
    background-color: #fed312;
    height: 100vh;
}
header>img{
    width: 5.2rem;
    height: 0.44rem;
    margin-top:5.42rem;
}
header>div{
    width: 6.47rem;
    height: 0.18rem;
    border-radius:0.2rem;
    border: 1px solid black;
    background-color: #fed312;
    margin-top: 0.48rem;
}
.loading-bar{
    height: 100%;
    width: 0;
    background-color: white;
}